54042054215645 has 16 divisors (see below), whose sum is σ = 67990761666432. Its totient is φ = 41157929588160.

The previous prime is 54042054215641. The next prime is 54042054215701. The reversal of 54042054215645 is 54651245024045.

It is not a de Polignac number, because 54042054215645 - 2² = 54042054215641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54042054215645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54042054215641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113556082 + ... + 1113604611.

It is an arithmetic number, because the mean of its divisors is an integer number (4249422604152).

Almost surely, 2^{54042054215645} is an apocalyptic number.

It is an amenable number.

54042054215645 is a deficient number, since it is larger than the sum of its proper divisors (13948707450787).

54042054215645 is a wasteful number, since it uses less digits than its factorization.

54042054215645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227160932.

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 54042054215645 in words is "fifty-four trillion, forty-two billion, fifty-four million, two hundred fifteen thousand, six hundred forty-five".